Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income from loans and other investments
Interest and related income	$ 50,386	$ 18,853	$ 126,507	$ 26,327
Less: Interest and related expenses	19,903	4,407	47,697	6,492
Income from loans and other investments, net	30,483	14,446	78,810	19,835
Other expenses
Management and incentive fees	5,412	2,433	13,219	3,416
General and administrative expenses	3,368	1,615	21,920	6,096
Total other expenses	8,780	4,048	35,139	9,512
Valuation allowance on loans held-for-sale		(600)		1,200
Gain on investments at fair value	1,780	464	7,604	4,464
Income from equity investments in unconsolidated subsidiaries			24,294
Gain on extinguishment of debt				38
Income before income taxes	23,483	10,262	75,569	16,025
Income tax (benefit) provision	(118)	(264)	412	329
Net income	23,601	10,526	75,157	15,696
Net income attributable to non-controlling interests	(1,577)	(2,206)	(6,602)	(7,743)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 22,024	$ 8,320	$ 68,555	$ 7,953
Net income per share of common stock, basic and diluted	$ 0.45	$ 0.29	$ 1.52	$ 0.53
Weighted-average shares of common stock outstanding, basic and diluted	49,211,205	28,894,515	45,093,314	14,865,530
Dividends declared per share of common stock	$ 0.50	$ 0.27	$ 1.46	$ 0.27